Data as of Nov 6, 2026
153.96.141.0/24
No anonymizer space · no proxy exits in 30 daysCOLT Technology Services Group Limited · space held by Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 153.96.0.0/16 since Jan 2026 | AS680 | Business | Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 153.96.0.0/16 | 65,536 | FRAUNHOFER-INTRANET-96 | Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. (ORG-FZFD2-RIPE) · DE | LEGACY | Jul 26, 2002 | noc-services@ |
| └ 153.96.140.0/23 | 512 | FHG-IUK-DMZ-140-141-NET | Fraunhofer Institut IUK | LEGACY | Dec 19, 2005 | noc-services@ via FRAUNHOFER-INTRANET-96 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Handle
- ORG-FZFD2-RIPE
- Range
- 153.
96. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- Jul 26, 2002
- Legacy
- yes
Origin network
AS8220
GB
- Name
- COLT Technology Services Group Limited
- Type
- Internet provider
- Registered
- Feb 24, 1997
- Domain
- colt.net
- Website
- www.colt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2005
- Current origin since
- Dec 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 153.96.141.0/24 | AS8220 | /24 | RIPE | RPKI valid |
| 153.96.0.0/16 | AS680 | /16 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | RIPE | COLT | DE-COLT-MNT | Dec 21, 2005 |
Whois
Registration for this announcement
- Range
- 153.
96. 140. 0/ 23 - Netname
- FHG-IUK-DMZ-140-141-NET
- Registrant
- Fraunhofer Institut IUK
- Registrant country
- DE
- Organization
- Fraunhofer Institut IUK
- Org country
- DE
- Type
- LEGACY
- Created
- Dec 19, 2005
- Updated
- Dec 4, 2019
- Maintainer
- FhG-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Jul 9, 1992
- Status
- assigned
Report abuse
Abuse contact
- noc-services@
iosb. fraunhofer. de - Name
- FHG LIR ROLE
- Handle
- FHG20-RIPE